115598243 has 2 divisors, whose sum is σ = 115598244. Its totient is φ = 115598242.

The previous prime is 115598173. The next prime is 115598267. The reversal of 115598243 is 342895511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115598243 - 2¹² = 115594147 is a prime.

It is a Sophie Germain prime.

It is equal to p_6604868 and since 115598243 and 6604868 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 115598197 and 115598206.

It is not a weakly prime, because it can be changed into another prime (115598293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57799121 + 57799122.

It is an arithmetic number, because the mean of its divisors is an integer number (57799122).

Almost surely, 2^115598243 is an apocalyptic number.

115598243 is a deficient number, since it is larger than the sum of its proper divisors (1).

115598243 is an equidigital number, since it uses as much as digits as its factorization.

115598243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 38.

The square root of 115598243 is about 10751.6623365878. The cubic root of 115598243 is about 487.1362079250.

The spelling of 115598243 in words is "one hundred fifteen million, five hundred ninety-eight thousand, two hundred forty-three".